Kelp harvest in Japan - underwater shots: FOLLOW SHOT of man letting go ladder and sinking to bottom. HASs, level shots of man on bottom. View of boat hull overhead, propellor. FOLLOW SHOT of woman moving along bottom, dragging a full net of kelp. HASs of woman collecting kelp, pulling down empty net, releasing full net. Several underwater shots of three girls in colored shirts and tights diving for sea urchins, surfacing almost immediately, diving again, swimming underwater. HAS of girl surfacing past the camera.